Cruise reports from the marine monitoring

Reports from SMHI's regular marine monitoring programme. Data presented in the reports have been subject to preliminary quality control procedures only.

Cruise report from R/V Aranda week 29, 2019

During the expedition, which is part of the Swedish national marine monitoring program, Skagerrak, Kattegat, Öresund, the Baltic Proper, was visited. The weather was sunny and mostly calm. Several surface accumulations of cyanobacteria were observed in the Baltic Sea. During the expedition, live …

 
Type: Report
Author: Lena Viktorsson
Published: Jul, 2019
Published: Last updated:

Cruise report from R/V Aranda week 19-20, 2019

The sea surface temperature and salinity was normal in all sea areas, except the surface salinity that was above normal in parts of the Skagerrak, in the Eastern Gotland Basin and in the Hanö Bight. The deep water in parts of the Baltic Proper showed temperature and salinity above or high above …

 
Type: Report
Author: Martin Hansson
Published: Jul, 2019
Published: Last updated:

Cruise report from R/V Aranda week 24, 2019

The cruise in June, which is part of the Swedish national marine monitoring program, covered the Skagerrak, the Kattegat, the Sound and the Baltic Proper. The sea surface temperatures and salinities were normal in all sea areas. The spring bloom had consumed the majority of the nutrients in the …

 
Type: Report
Author: Anna-Kerstin Thell
Published: Jun, 2019
Published: Last updated:

Cruise report from R/V Aranda week 11, 2019

The entire water column was generally well mixed in the Skagerrak area, which resulted in higher than normal salinity and temperature in the surface waters. At Å17 a weak stratification could be seen at around 30 meters, with somewhat colder and less salty water in the surface layer. The nutrient …

 
Type: Report
Author: Örjan Bäck
Published: May, 2019
Published: Last updated:

Cruise report from R/V Aranda week 14-15, 2019

The sea surface temperature was between 2.9–6.5 ºC, coldest in the northern parts of the Baltic Proper and warmest in Skagerrak and Kattegat. The sea surface salinity was as highest 30.5 in the open Skagerrak and as lowest 6.8 in the Baltic Proper and the salinity was above normal at some stations …

 
Type: Report
Author: Karin Wesslander
Published: Apr, 2019
Published: Last updated:

Cruise report from R/V Aranda week 38-39, 2018

The cruise was initially delayed for some hours, and there were some problems with the generators resulting in inability to maintain full speed of the vessel during the cruise. Shortly before arriving Lysekil, information was given stating that other bookings of R/V Aranda had priority, and the …

 
Type: Report
Author: Johan Kronsell
Published: Mar, 2019
Published: Last updated:

Cruise report from R/V Aranda week 45-46, 2018

In large parts of the deep water in the Baltic Proper the oxygen concentration was close to zero. Anoxic conditions, when hydrogen sulphide can form, were found in both the Western and the Eastern Gotland Basin from 80-90 meters depth. In the Bornholm Basin the oxygen concentration went down to 0.4 …

 
Type: Report
Author: Johan Kronsell
Published: Mar, 2019
Published: Last updated:

Cruise report from R/V Aranda week 49-50, 2018

In large parts of the Baltic Proper, the oxygen concentration in the deep water was close to zero. Anoxic conditions, when hydrogen sulphide can form, were found at all stations sampled in the Western and Eastern Gotland Basin. The depths where hydrogen sulphide were first detected at the visited …

 
Type: Report
Author: Johan Kronsell
Published: Mar, 2019
Published: Last updated:

Cruise report from R/V Aranda week 2-3, 2019

The cruise, which is part of the Swedish national marine monitoring programme visited stations in the Skagerrak, the Kattegat, the Sound and the Baltic Proper. In the Kattegat and the Sound the winter pool of nutrients were mapped.

As usual had large parts of the deep water in the Baltic Proper …

 
Type: Report
Author: Johan Kronsell
Published: Mar, 2019
Published: Last updated:

Cruise report from R/V Aranda week 7-8, 2019

The February cruise, which is part of the Swedish national marine monitoring program, covered the Skagerrak, the Kattegat, the Sound and the Baltic Proper. In the Baltic Proper winter mapping of nutrients was performed.

In the northern and westerns parts of the Baltic Proper there was hydrogen …

 
Type: Report
Author: Lena Viktorsson
Published: Feb, 2019
Published: Last updated:
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